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Polyolefin resin composition

a technology of polyolefin and resin, applied in the field of polyolefin resin composition, can solve the problems of increasing cost and manufacturing complexity, fewer acceptable materials,

Active Publication Date: 2021-07-06
ASAHI KASEI PLASTICS NORTH AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The composition described in this patent has good strength and flexibility, low temperature ductility, water repellency, and resistance to ice formation. It can also contain other additives such as colorants, antiscratch additives, heat stabilizers, and nucleating agents.

Problems solved by technology

However, when requirements of water repellency and excellent low temperature ductility are added, there are far fewer materials that are acceptable.
In order to achieve the demanding balance of properties required for these applications, other plastics may have to be painted or coated to address their inferior chemical and water resistance, which increases cost and manufacturing complexity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0072]Ingredients HPP1, COPP1, PA1, Colorant, MAH-PP1, StabUV1, and PTFE1 were combined in the feed throat in the amounts shown in Table 1 below. Ten micron diameter fiberglass (FG1) was side fed downstream in the amount shown in Table 1 below. The resulting material had a melt flow rate in g / 10 min (230° C. / 2.16 kg) of 2.89 and a density of 1.29. These and other properties of Example 1 are shown in Table 3 below.

example 2

[0073]Ingredients HPP1, COPP1, PA1, Colorant, MAH-PP1, StabUV1, and ASTAT1 were combined in the feed throat in the amounts shown in Table 1 below. FG1 was side fed downstream in the amount shown in Table 1 below.

[0074]The properties of Example 2 are shown in Table 3 below.

examples 3-4

[0075]HPP1, HPP2, COPP1, PA1, Colorant, MAH-PP1, StabUV1, and SiMB1 were combined in the feed throat in the amounts shown in Table 1 below. FG1 was side fed downstream in the amount shown in Table 1 below.

[0076]The properties of Examples 3-4 are shown in Table 3 below.

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Abstract

A polyolefin resin composition includes 15-65% by weight of a polypropylene homopolymer, 5-35% by weight of a polypropylene copolymer, 5-65% by weight of a reinforcing filler, 0.25-5% by weight of a polypropylene compatibilizer, and 1-25% by weight of a surface active agent.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This non-provisional application claims the benefit under 35 U.S.C. § 119(e) to U.S. Provisional Application No. 62 / 414,460, filed on Oct. 28, 2016, which is hereby expressly incorporated by reference into the present application.BACKGROUND1. Technical Field[0002]The technical field relates to a polyolefin resin composition having a very high stiffness and toughness in combination with high water repellency and chemical resistance, low temperature ductility, and resistance to ice buildup. Articles made of the inventive composition are useful in many applications including household appliances, machinery or agricultural parts, snowmobiles and ATVs, snow blowers, and automotive exterior applications such as roof rails, wiper blades, grills, and air louvers.2. Description of the Background Art[0003]Many applications in plastics require high strength and stiffness as well as chemical and scratch resistance. However, when requirements of water...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): C08L23/12C08L23/06C08L23/14C08L77/02
CPCC08L23/12C08L23/06C08L23/14C08L2205/025C08L2205/03C08L2205/035C08L2310/00C08L77/02
Inventor HOWIE, TIMOTHY A.SHEREDA, LAURA T.
Owner ASAHI KASEI PLASTICS NORTH AMERICA